document.write( "Question 147135: Find the verex and intercepts. Sketch the graph
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Algebra.Com's Answer #107556 by Edwin McCravy(20077) $\"\"$ $\"About$

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Edwin's solution:\r
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document.write( "The vertex formula:\r\n" );
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document.write( "The graph of \r\n" );
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document.write( "has the vertex (, ), where \r\n" );
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document.write( "Therefore\r\n" );
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document.write( "can be written as\r\n" );
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document.write( "So we apply the vertex formula:\r\n" );
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document.write( ", , , \r\n" );
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document.write( "so the vertex is\r\n" );
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document.write( "(, ) =\r\n" );
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document.write( "(, ) = (, )\r\n" );
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document.write( "To find the y-intercept, we substitute \r\n" );
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document.write( "So the y-intecept is (, ), which just happens\r\n" );
document.write( "to, in this case, be the same point as the vertex.\r\n" );
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document.write( "To find the x-intercepts, we we substitute \r\n" );
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document.write( " = ą\r\n" );
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document.write( "Since the square root of 6 is about ,\r\n" );
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document.write( "the two x intercepts are about (, ) and (, )\r\n" );
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document.write( "So we plot those two points, as well as:\r\n" );
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document.write( "vertex: (, )\r\n" );
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document.write( "and\r\n" );
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document.write( "y-intercept: (, ) [Which in this case just \r\n" );
document.write( "happens to be the same point as the vertex.]\r\n" );
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document.write( "Edwin

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